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F. W. SCHULTZ. Can Soldering Machine.

(No Model.)

Patented.May 31,1881

UNITED STATES PATENT EEreE.

FREDERICK W. SCHULTZ, OF BALTIMORE, MARYLAND.

CAN-SOLDERING MACHINE.

SPECIFICATION forming part of Letters Patent No. 242,227, dated May 31, 1881.

Application filed February 19, 1881. (No model.)

To all whom it may concern Beitknown that I, FREDERICK W. SCHULTZ, citizen of the United States, residing at Baltimore, in the county of Baltimore and State of Maryland, have invented certain new and useful Improvements in Can-Soldering Machines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to can-soldering machines of that class in which the head-seam is soldered by inclining the'can and rotating it while the head-seam is immersed in a moltensolder bath.

The object of the invention is to arrange ashell for inclosingthe heat around and about the receptacle which contains the molten solder, a VELPOP'bHFIIQI to heat the solder-containing device, and a pipe leadingto the vapor-burner, in which pipe the oil is vaporized, the said parts to be so contrived and arranged with respect to each other that the flame of the burner shall, after heating the solder-receptacle, be directed against the ol-supply pipe to gasit'y the oil.

In the drawings hereto annexed, Figure 1 is a side elevation of the apparatus, in which the means for inclosing the heat and the solderreceptacle are both shown in section. Fig. 2 isa plan of those parts of the apparatus to which the invention relates. 1

The letter A designates the stand on which the apparatus is supported.

B designates the frame which carries the can-holder, consisting of two disks, 0 and c, which bear respectively on opposite ends of the can. The disk 0 has aflange,c which e11- tirely encircles one end of the can. The other disk is smaller than the cans end, and has no flange. These disks are supported on shafts (Z 6, respectively, the first named being shown in dotted lines only, and a crank, h, is attached to the shaft 0, and serves to rotate the canholder. The can-holder frame is pivoted at b, to permit one end of a can to be tilted, to be brought in contact with a stationary solder-applying device, L, of any approved description.

A standard, M, having an inclination from its top in a direction away from the can-holding frame serves, when the crankcnd of the can-holding frame is tilted down, to withdraw thedisk c from the can, so as to permit the can to be taken out.

All the parts above referred to are described and more fully explained in an application for a patent filed by me January 21, 1881.

The solder-receptacle or solder-applyin g device consists, in the present instance, of an iron, L, having a receptacle, 1:, extending Verticall y from its top edge down through its center to near the bottom.

A vertical tube, L, stands at one side of the solder-receptacle, with the lower end of which it is connected. This constitutes the soldersupply tube.

' The shape of the solder-applying device at its top may be varied, it being only necessary that the edge of the can, when the latteris rotated, may be immersed in the molten solder with which the receptacle must be filled. A solder-applying device, substantially of this form, is shown and described in my application for a patent herein referred to, and no claim thereto is made herein.

The burner P, adapted to burn the vapor of gasoline, and to produce anon-luminous flame, is secured in such position as to play its flame horizontally against the solder-receptacle.

The device for containing or applying the solder, the burner, and a part of the oil-supply pipe q leading to the burner are inclosed, or partly inclosed, by the semi-cylindrical shell R, secured to the lower side of the stand, which serves a very important purpose, and constitutes the subject of the present invention.

The position of the solder arm or receptacle L is close to or against the wall of the partiallycylindrical shell, and equidistant from the edges 8 of the vertical side walls. The soldersupply tube L has position within'thc inclosing-shell, near one side, and the oil-supply pipe q is so arranged as to have position withinthe inclosing-shell near the other side. The inclosing-shell maybe a cylinder,or only part of a cylinder, as in the present case, and may have a bottom, t, or not. In the present instance the oil-supply pipe passes through the shell and forms an elbow, g, at the end of which the burner I? is attached, the flame issuing from the burner being pointed into the shell, and in a direction toward that from which the oil-supp] y pipe leads. Instead of this, however, the oil-supply pipe may be arranged to come from the oppositcdirection, entering the open side of the inclosing-shell and take position within at one side, and by a U-shaped joint return again to the elbow q, to which the burner wouldbe attached, same as shown. The flame from the burner plays against the solderapplying device L, from which it is deflected sidewise in both directions, and strikes against the two opposite sides of the semi-cylindrical shell, and it is here that the function ofthe shell is performed. The shell serves not only to confine the flame and heat about the device which contains and applies the solder, but by reason of the circular shape of the walls of the shell one portion of the sidewise-deflected flame is directed against the solder-supply tube, thereby keeping it hot, while the other portion of the sidewise-deflected flame is directed against the oil-supply pipe, thereby heating it intensely and vaporizing the oil before it reaches the burner. Thus the semi-cylindrical shell enables the heat of one burner of very simple form to do all the work required at three different points with great efliciency.

The subject-matter of the invention herein does not extend beyond the elements specified in the following claims, the remainder of the apparatus herein shown and described being the subject of another application made by me and filed January 21, 1881.

Having described my invention, I claim and desire to secure by Letters Patent of the United States- 1. I11 a can-soldering machine, the herein-described arrangement for efl'ectin g, by the flame ot' a single burner, the liquefaction of the solder and the vaporization of the oil in the pipe leading to the burner, consisting of the combination of a solder-containing device having a vertical side against which the burner-flame may be directed, a shell to inclose the soldercontaining device, and having its wall cylindrical contiguous to the vertical side thereof, and an oil-supply pipe which extends through the cylindrical wall of the shell at a point adjacent to vertical side of the solder-containing device, as set forth.

2. In a can soldering machine, the combination of a soldel containing device havingavertical side against which the. burner-flame may be directed, a shell to inclose the solder-containing device, and having its wall cylindrical contiguous to the vertical side thereof, a burner to play its flame against the vertical side of the soldercontaining device and the cylindrical wall of the shell, and an oil-supply pipe connected with the burner and having a position within the shell adjacent to the verticalsidc of the solder-containin g device, whereby the flame of the burner heats the solder-containing device and the oil-supply pipe, as and for the purpose set forth.

In testimony whereof I atiix my signature in presence of two witnesses.

FREDERICK 'W. SCHULTZ.

Witnesses OHAs. B. MANN, W. A. NUMsEN. 

